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Just one USB is not enough.People need 2 at least in daily life.The one for public and office,and the other one for personal and family.Put all the thing in one USB may not safe and it is easy to make mistakes.So put things separated.However,using 2 different USB to storage things is trouble.
This product is 2 in 1 USB.It has two sides and the colors of two sides are different.It is convenient for people to recognize.The one side can be for personal and the other side can be for public.It is decided by the user.And all the thing the user need to do is just remember the color.
Chen rujia Xu Wenjie(instructor) He Yuxiao Xu Yangjie Zhang Hanyang